Parametry

When the type argument is SQL_BEST_ROWID,
odbc_specialcolumns() returns the
column or columns that uniquely identify each row in the table.
When the type argument is SQL_ROWVER,
odbc_specialcolumns() returns the column or columns in the
specified table, if any, that are automatically updated by the data source
when any value in the row is updated by any transaction.